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Welded pipe is an electric welded round pipe that is an alternative to steel pipes.It is a structural grade tube that is suitable for a wide variety of applications where dimensional accuracy and precision tolerances is not a primary concern.A raised weld seam is present inside the pipe.
Spiral welded steel pipe is a kind of practical steel pipe, now it has been widely used in small and medium-sized construction site construction facilities, not only that, spiral steel pipe is often used in mining, power, construction and various pipeline systems, one of the important industries.
On the basis of the original is trying to research this more excellent quality of new spiral steel pipe, the purpose is to spiral steel pipe for everybody to create greater profits for pressure fluid transmission with spiral seam submerged arc welding steel pipe. Spiral welded pipe industry investment risk and prospect consulting analysis report released by China industry research network shows that spiral welded pipe is widely used in the fields of tap water engineering, petrochemical industry, hydropower station, power industry, agricultural irrigation and rural construction.Spiral steel pipe is widely used in agriculture, chemical industry, construction, water conservancy, petrochemical industry.
Key Specifications/ Special Features:
1)Spiral welded pipe is the low carbon carbon structural steel and low alloy steel strip according to certain Angle of helix Angle (called molding) rolled into a tube billet, then pipe seam welding made up, it can use a narrow strip in the production of large diameter steel pipe.* wall thickness, according to its specifications with diameter welded pipe shall ensure that the water pressure test, the tensile strength and cold bending properties of the weld in accordance with regulations.
2)Commonly used standards of the spiral steel pipe can be divided into: SY/T5037-2000 (solid, also known as the common fluid conveying pipe with spiral seam submerged arc welding steel pipe), GB/T9711.1-1997 (national standard, also known as oil and gas industry conveying pipe delivery technical conditions in the first part: grade A steel pipe (GB/T9711.2 strict grade B steel pipe)), API 5L (American petroleum institute, also known as the pipeline steel pipe; which can be divided into PSL1 and PSL2 two levels), SY/T5040-92 (pile with spiral seam submerged arc welding steel pipe).
Product Specification
Description
Spiral Welded Steel Pipe, Straight Seam Welded Steel Pipe, SAW Steel Pipe, ERW Steel Pipe, EFW Steel Pipe
Standards
API 5L ERW PSL1/PSL2, EN39, BS1139, BS1387, EN10255,
ASTM A53, A500, A36, A795, ANSI C80, DIN2440, JIS G3444, GB/T3091, GB/T13793
Certificate
API 5L ERW PSL1/PSL2, API 5CT, CE, ISO
Material
Q195, Q215, Q235, Q275, Q295, Q345, S275, S355, 08F, 08, 08AL, 08F, 10F, 10, HG5, DF08 SPHC, M8
ASTM A53: Gr.A, Gr.B, Gr.C, Gr.D
API 5L: Gr.A, Gr.B, X42, X46, X52, X56, X60, X65, X70
GB/T9711: L175, L210, L245, L290, L320, L360, L290, L320, L360, L390, L415, L450, L485, L555
ASTM A252: Gr.1 Gr.2 Gr.3
Type
Spiral, ERW (Electrical Resistance Weld), EFW (Electric Fusion Welding)
Outside Diameter
219mm(8")- 3520mm(138")
(1/8 inch, 1/4 inch, 1/2 inch, 3/4 inch, 1inch, 1 1/4 inch, 1 1/2 inch, 2inch, 2 1/2 inch, 3inch, 3 1/2 inch, 4inch, 5 inch, 6inch, 8 inch, 10 inch, 12inch, 14inch, 16 inch, 18 inch, 20 inch, 22 inch, 24 inch, 26inch, 28 inch, 30 inch, 32 inch, 34 inch, 36 inch, 38 inch, 40 inch, 42 inch, 44 inch, 46 inch, 48 inch)
Thickness
3mm~220mm
(SCH5,SCH10,SCH20,SCH30,STD,SCH40,SCH60,XS,
SCH80,SCH100,SCH120,SCH140,SCH160, XXS)
Length
6m-12m, or as required
Outside Coating
Anti-rust oil, black painting.
Epoxy Coating according to AWWA C-210
Bitumen Coating according to DIN30672, BS534
Coal- Tar Enamel Coating according to AWWA C-203
3 Layer polyethylene Coating according to DIN30670
3 Layer Polypropylene Coating according to DIN30678
Inside Coating
Epoxy lining according to AWWA C-210
Bitumen Lining according to DIN30673, BS534
Coal-Tar Enamel Lining according to AWWA C-203
Cement Mortar Lining according to AWWA C-205, BS534
Testing and Inspection Reports
EN 10204 3.1, Mill TC EN 10204 3.1, Third Party Inspection Reports, Visual Inspection Reports, Destructive Test Report, Non Destructive Test Reports, PMI Test Reports, Chemical and Mechanical Reports, NABL Approved Lab
Price Term
EX-Work, FOB, CFR, CIF
Package
Wooden box, bundled for export standard or as required
Payment Term
T/T, L/C,
Delivery Time
25-45 days (based on quantity) after receiving advanced payment
Application
a) General service industries (petroleum, food, chemical, paper, fertilizer, fabric, aviation and nuclear)
b) Fluid, gas and oil transport
c) Pressure and heat transmission
d) Construction and ornament
e) Boiler heat exchangers
Butt-welded pipe is formed by feeding a hot steel plate through shapers that will roll it into a hollow circular shape. Forcibly squeezing the two ends of the plate together will produce a fused joint or seam.
Spiral-welded pipe is formed by twisting strips of metal into a spiral shape, similar to a barber’s pole, then welding where the edges join one another to form a seam. This type of pipe is restricted to piping systems using low pressures due to its thin walls.
Product Display
We can produce different sizes, thicknesses, widths and materials according to your requirements
Anti-corrosion processing
Our manufacturing facilities, perform three types of welding processes: ERW, LSAW, SSAW and Anti-corrosion. The facilities are fully equipped with the world's utmost advanced full auto production lines and lab test equipment which allows us to provide the quality of our product.
3LPE steel pipe blasting&coating equipment can make water gas oil supplied pipeline dia. (32-3000mm),according to customers demand. The production line make internal and external shot blasting derusting,Dual Fusion Bonded Epoxy powder/liquide Coating & PE/PP film Wrapping, End of PE grooving system and so on
Hydrostatic test
Application Scope
Carbon welded steel pipe has high strength, which makes them ideally suitable for pressure applications within the oil & gas, petrochemical, chemical, water supply, energy, sewage treatment, vanitation pipe, pulp & paper industries, etc.
Packaging And Transportation
We offer different modes of transport depending on the customer's destination: rail transport and ship transport，etc.The Shipping Mark shall consist of: Trade mark, Seller's name, Product name, Applicable standards,Specifications, Package No., Contract No., Heat No., Production date, Weighing method, Net weight, Gross Weight, Consignee and Protection symbols, etc.
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Main Product:
Carbon Steel Pipe,
Galvanized Steel Pipe,
Seamless Steel Pipe,
Square Steel Pipe,
Steel Section,
Galvanized Iron Wire
